docstr: Sets the longitude of the center of the map (in degrees East).
  
  The 'lon' property is a number and may be specified as:
    - An int or float
  
  Returns
  -------
  int|float
docstr_tok: ["Sets","the","longitude","of","the","center","of","the","map","(","in","degrees","East",")",".","The","'lon","'","property","is","a","number","and","may","be","specified","as",":","-","An","int","or","float","Returns","--","--","--","-","int|float"]
code: def lon(self):
      """
      Sets the longitude of the center of the map (in degrees East).
  
      The 'lon' property is a number and may be specified as:
        - An int or float
  
      Returns
      -------
      int|float
      """
      return self["lon"]
  
file_path: plotly.py/packages/python/plotly/plotly/graph_objs/layout/mapbox/_center.py
imports: from plotly.basedatatypes import BaseLayoutHierarchyType
  import copy
label_desc: Use image node_id 3 for calling the Center obj's underlying member method code with example usage: obj.lon() and returns: self